“Our job is to predict how things move in ... objects really look like asteroids in the images,” Farnocchia says. “But their motion is more similar to that of comets.” ...

The solar system also contains small objects called comets. Comets are similar to asteroids, but are made of ice, dust and rocky material. As a comet approaches the Sun, it begins to vaporise ...

Asteroids, being rock that doesn’t turn to gas without getting a great deal closer to the Sun, don’t do either of these ...

A new model has been developed to simulate interstellar activity within our solar system and the nearby Alpha Centauri system ...

Meteorites are rocks from space that survive their fiery descent through Earth's atmosphere and reach the ground. More than just dazzling streaks of light as meteors, these ancient fragments are among ...

Despite popular belief, not all space rocks with tails are comets. In fact, asteroids with tails are by far some of the rarest asteroids that we know of, and NASA volunteers just helped find 15 ...

As a space scientist, you can spend your life studying some remarkable things. For example, comets that streak across the sky like giant dirty snowballs. Asteroids with the power to destroy life ...

Scientists have long wondered whether it came from icy comets, rocky asteroids, or both ... indicating variability within a single comet. Similar discrepancies have been observed in hyperactive ...

To date, it has found 283 near-Earth asteroids, 31 potentially hazardous asteroids, 16 comets and 3,082 supernovas. On the morning of the comet discovery, Flewelling was searching through the ...

The Near-Earth Object Surveyor is a $1.4-billion infrared telescope with a single mission: to hunt asteroids and comets that could ... "It all comes down to doing things as early as you can ...